Basilar invagination implant



FIG. 1 is a perspective view of a basilar invagination implant showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation thereof;

FIG. 5 is a rear elevation thereof;

FIG. 6 is a side elevation thereof; and,

FIG. 7 is a side elevation of the side opposite that shown in FIG. 7. 

The ornamental design for a basilar invagination implant, as shown and described. 